MDCAT Biology MCQ #150

During the complete oxidation of one Acetyl-CoA molecule within the Krebs cycle, how many molecules of carbon dioxide are released into the matrix?

MDCAT Biology MCQ #150

  1. Question 1

    Q1. During the complete oxidation of one Acetyl-CoA molecule within the Krebs cycle, how many molecules of carbon dioxide are released into the matrix?

    • A) One
    • B) Two
    • C) Three
    • D) Four

    Answer: Two

    Explanation: Each Acetyl-CoA releases two CO2 molecules in Krebs; four CO2 are released per glucose, but the question asks per turn/acetyl group.